| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BEECHCROFT RESIDENTS MANAGEMENT COMPANY LIMITED | 05469449 | 31/01/2007 | Silver |
| BEECHCROFT RESIDENTS MANAGEMENT COMPANY LIMITED | 05469449 | 31/01/2007 | Silver |
| HALCROW CROUCH LIMITED | SC176136 | 08/03/2012 | Dissolved |
| HALCROW FOX AND ASSOCIATES LIMITED | 00816972 | 08/03/2012 | Dissolved |
| HALCROW H&S LIMITED | 02288955 | 29/05/2013 | Dissolved |
| HALCROW LIMITED | 02999602 | 25/11/2011 | Dissolved |
| HALCROW RURAL MANAGEMENT LIMITED | 02603242 | 08/03/2012 | Dissolved |
| LEWIS R. CARNAN LIMITED | 01315274 | 25/11/2011 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS SCOTLAND LIMITED | SC142384 | 08/03/2012 | Dissolved |
| TRANSECON INTERNATIONAL LIMITED | 02092471 | 25/11/2011 | Dissolved |
| TRANSMARK (CONSULTANTS) LIMITED | 01048112 | 25/11/2011 | Dissolved |
| TRANSMODE LIMITED | 01118784 | 25/11/2011 | Dissolved |
| TRANSPORTATION SYSTEMS AND MARKET RESEARCH LIMITED | 00964333 | 25/11/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BROADLAND ENVIRONMENTAL SERVICES LIMITED | 03683242 | 25/10/1999 | 15/05/2008 | Silver |
| BURDEROP INVESTMENTS LIMITED | 02485284 | 25/11/2011 | 28/11/2014 | Dissolved |
| CROUCH HOGG WATERMAN LIMITED | SC136186 | 25/11/2011 | 28/11/2014 | Dissolved |
| HALCROW (CONSULTING ENGINEERS & ARCHITECTS) LIMITED | 01045458 | 25/11/2011 | 28/11/2014 | Amber |
| HALCROW CANADA LIMITED | 05296410 | 25/11/2011 | 28/11/2014 | Dissolved |
| HALCROW CONSULTING LIMITED | 02326761 | 25/11/2011 | 28/11/2014 | Amber |
| HALCROW GILBERT ASSOCIATES LIMITED | 02312495 | 25/11/2011 | 28/11/2014 | Dissolved |
| HALCROW GROUP LIMITED | 03415971 | 12/08/2011 | 28/11/2014 | Amber |
| HALCROW HOLDINGS LIMITED | 01674044 | 11/11/2011 | 28/11/2014 | Bronze |
| HALCROW INTERNATIONAL LIMITED | 02326765 | 25/11/2011 | 28/11/2014 | Amber |
| HALCROW INTERNATIONAL PARTNERSHIP | 02809680 | 25/11/2011 | 28/11/2014 | Amber |
| HALCROW MANAGEMENT SCIENCES LIMITED | 02770883 | 29/05/2013 | 28/11/2014 | Dissolved |
| HALCROW WATER SERVICES LIMITED | 03055857 | 25/11/2011 | 28/11/2014 | Dissolved |
| HALCROW WATERMAN LIMITED | SC176135 | 08/03/2012 | 28/11/2014 | Dissolved |
| MECHANICAL AND ELECTRICAL DESIGN ASSOCIATES LIMITED | 00878811 | 25/11/2011 | 28/11/2014 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS (MALAYSIA) LIMITED | 02314593 | 25/11/2011 | 28/11/2014 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS LIMITED | 01722541 | 25/11/2011 | 28/11/2014 | Strike Off |
| YOLLES PARTNERSHIP LIMITED | 02333623 | 08/03/2012 | 28/11/2014 | Dissolved |